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Data augmentation is a powerful technique to improve performance in applications such as image and text classification tasks. Yet, there is little rigorous understanding of why and how various augmentations work. In this work, we consider a…

Machine Learning · Computer Science 2023-07-28 Sen Wu , Hongyang R. Zhang , Gregory Valiant , Christopher Ré

In recent years, there has been growing concern over the vulnerability of convolutional neural networks (CNNs) to image perturbations. However, achieving general robustness against different types of perturbations remains challenging, in…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Chun Yang Tan , Kazuhiko Kawamoto , Hiroshi Kera

Adversarial robustness is one of the most challenging problems in Deep Learning and Computer Vision research. All the state-of-the-art techniques require a time-consuming procedure that creates cleverly perturbed images. Due to its cost,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Matteo Terzi , Mattia Carletti , Gian Antonio Susto

We propose Dataset Reinforcement, a strategy to improve a dataset once such that the accuracy of any model architecture trained on the reinforced dataset is improved at no additional training cost for users. We propose a Dataset…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Fartash Faghri , Hadi Pouransari , Sachin Mehta , Mehrdad Farajtabar , Ali Farhadi , Mohammad Rastegari , Oncel Tuzel

This paper investigates the impact of various data augmentation techniques on the performance of object detection models. Specifically, we explore classical augmentation methods, image compositing, and advanced generative models such as…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Ang Jia Ning Shermaine , Michalis Lazarou , Tania Stathaki

Unsupervised image clustering methods often introduce alternative objectives to indirectly train the model and are subject to faulty predictions and overconfident results. To overcome these challenges, the current research proposes an…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Sungwon Park , Sungwon Han , Sundong Kim , Danu Kim , Sungkyu Park , Seunghoon Hong , Meeyoung Cha

Model robustness is vital for the reliable deployment of machine learning models in real-world applications. Recent studies have shown that data augmentation can result in model over-relying on features in the low-frequency domain,…

Machine Learning · Computer Science 2022-05-11 Alvin Chan , Yew-Soon Ong , Clement Tan

Data augmentation has recently emerged as an essential component of modern training recipes for visual recognition tasks. However, data augmentation for video recognition has been rarely explored despite its effectiveness. Few existing…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Taeoh Kim , Jinhyung Kim , Minho Shim , Sangdoo Yun , Myunggu Kang , Dongyoon Wee , Sangyoun Lee

Due to the increase in computational resources and accessibility of data, an increase in large, deep learning models trained on copious amounts of multi-modal data using self-supervised or semi-supervised learning have emerged. These…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Madeline Chantry Schiappa , Shehreen Azad , Sachidanand VS , Yunhao Ge , Ondrej Miksik , Yogesh S. Rawat , Vibhav Vineet

Mixed Sample Data Augmentation (MSDA) has received increasing attention in recent years, with many successful variants such as MixUp and CutMix. By studying the mutual information between the function learned by a VAE on the original data…

Machine Learning · Computer Science 2021-03-02 Ethan Harris , Antonia Marcu , Matthew Painter , Mahesan Niranjan , Adam Prügel-Bennett , Jonathon Hare

Recent advances in computer vision take advantage of adversarial data augmentation to ameliorate the generalization ability of classification models. Here, we present an effective and efficient alternative that advocates adversarial…

Machine Learning · Computer Science 2021-03-24 Tianlong Chen , Yu Cheng , Zhe Gan , Jianfeng Wang , Lijuan Wang , Zhangyang Wang , Jingjing Liu

Data augmentation is a widely used trick when training deep neural networks: in addition to the original data, properly transformed data are also added to the training set. However, to the best of our knowledge, a clear mathematical…

Machine Learning · Statistics 2020-11-10 Shuxiao Chen , Edgar Dobriban , Jane H Lee

We are concerned with the vulnerability of computer vision models to distributional shifts. We formulate a combinatorial optimization problem that allows evaluating the regions in the image space where a given model is more vulnerable, in…

Machine Learning · Computer Science 2019-08-21 Riccardo Volpi , Vittorio Murino

Contrastive learning, a prominent approach within self-supervised learning, has demonstrated significant effectiveness in developing generalizable models for various applications involving natural images. However, recent research indicates…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Zijie Cheng , Boxuan Li , André Altmann , Pearse A Keane , Yukun Zhou

Dynamic neural networks are a recent technique that promises a remedy for the increasing size of modern deep learning models by dynamically adapting their computational cost to the difficulty of the inputs. In this way, the model can adjust…

Machine Learning · Computer Science 2023-12-11 Lassi Meronen , Martin Trapp , Andrea Pilzer , Le Yang , Arno Solin

Convolutional neural networks for visual recognition require large amounts of training samples and usually benefit from data augmentation. This paper proposes PatchMix, a data augmentation method that creates new samples by composing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Paola Cascante-Bonilla , Arshdeep Sekhon , Yanjun Qi , Vicente Ordonez

Multimodal foundation models offer promising advancements for enhancing driving perception systems, but their high computational and financial costs pose challenges. We develop a method that leverages foundation models to refine predictions…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Yunhao Yang , Yuxin Hu , Mao Ye , Zaiwei Zhang , Zhichao Lu , Yi Xu , Ufuk Topcu , Ben Snyder

Data augmentation methods are indispensable heuristics to boost the performance of deep neural networks, especially in image recognition tasks. Recently, several studies have shown that augmentation strategies found by search algorithms…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Ryuichiro Hataya , Jan Zdenek , Kazuki Yoshizoe , Hideki Nakayama

The robustness of image segmentation has been an important research topic in the past few years as segmentation models have reached production-level accuracy. However, like classification models, segmentation models can be vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Othmane Laousy , Alexandre Araujo , Guillaume Chassagnon , Marie-Pierre Revel , Siddharth Garg , Farshad Khorrami , Maria Vakalopoulou

Data augmentation techniques play an important role in enhancing the performance of deep learning models. Despite their proven benefits in computer vision tasks, their application in the other domains remains limited. This paper proposes a…

Machine Learning · Computer Science 2024-01-23 Yousef El-Laham , Elizabeth Fons , Dillon Daudert , Svitlana Vyetrenko